From mboxrd@z Thu Jan  1 00:00:00 1970
From: leo.yan@linaro.org (Leo Yan)
Date: Fri, 16 Oct 2015 13:29:10 +0800
Subject: [PATCH v4 2/4] mailbox: Hi6220: add mailbox driver
In-Reply-To: <CABb+yY2uJZFgDeviRzz8ghVhNzy5d6jf+=fpTAUez01m+O0ttw@mail.gmail.com>
References: <1444667535-16948-1-git-send-email-leo.yan@linaro.org>
 <1444667535-16948-3-git-send-email-leo.yan@linaro.org>
 <CABb+yY2uJZFgDeviRzz8ghVhNzy5d6jf+=fpTAUez01m+O0ttw@mail.gmail.com>
Message-ID: <20151016052910.GB3226@leoy-linaro>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Fri, Oct 16, 2015 at 10:43:00AM +0530, Jassi Brar wrote:
> On Mon, Oct 12, 2015 at 10:02 PM, Leo Yan <leo.yan@linaro.org> wrote:
> 
> > +
> > +#define MBOX_CHAN_MAX                  32
> > +#define MBOX_CHAN_NUM                  2
> > +
> You mean the hardware has 32 channels but this driver can not manage
> more than 2 ?
> 
> OR, there are 32 interfaces but only 2 physical 'floating' links, so
> no more than 2 interfaces can be active at any time?

For the later case. Mailbox also can be used by other modules, such
like audio hifi; later need add links for them if want to enable
audio. But so far only uses first 2 channels.

Thanks,
Leo Yan